diff --git a/dlls/msvcp90/tests/misc.c b/dlls/msvcp90/tests/misc.c
index 9f0b14b9b8f..9e456f84789 100644
--- a/dlls/msvcp90/tests/misc.c
+++ b/dlls/msvcp90/tests/misc.c
@@ -114,6 +114,7 @@ static complex_float* (__cdecl *p_complex_float_div)(complex_float*, const compl
 static float (__cdecl *p_complex_float__Fabs)(const complex_float*, int*);
 static complex_float* (__cdecl *p_complex_float_tan)(complex_float*, const complex_float*);
 static complex_float* (__cdecl *p_complex_float_tanh)(complex_float*, const complex_float*);
+static complex_float* (__cdecl *p_complex_float_log10)(complex_float*, const complex_float*);
 
 static int invalid_parameter = 0;
 static void __cdecl test_invalid_parameter_handler(const wchar_t *expression,
@@ -258,6 +259,8 @@ static BOOL init(void)
                 "??$tan@M@std@@YA?AV?$complex@M@0@AEBV10@@Z");
         SET(p_complex_float_tanh,
                 "??$tanh@M@std@@YA?AV?$complex@M@0@AEBV10@@Z");
+        SET(p_complex_float_log10,
+                "??$log10@M@std@@YA?AV?$complex@M@0@AEBV10@@Z");
     } else {
         SET(p_char_assign, "?assign@?$char_traits@D@std@@SAXAADABD@Z");
         SET(p_wchar_assign, "?assign@?$char_traits@_W@std@@SAXAA_WAB_W@Z");
@@ -308,6 +311,8 @@ static BOOL init(void)
                 "??$tan@M@std@@YA?AV?$complex@M@0@ABV10@@Z");
         SET(p_complex_float_tanh,
                 "??$tanh@M@std@@YA?AV?$complex@M@0@ABV10@@Z");
+        SET(p_complex_float_log10,
+                "??$log10@M@std@@YA?AV?$complex@M@0@ABV10@@Z");
     }
 
     init_thiscall_thunk();
@@ -724,6 +729,9 @@ static void test_complex(void)
     p_complex_float_tanh(&c2, &c1);
     ok(c2.real == 0, "c2.real = %f\n", c2.real);
     ok(c2.imag == 0, "c2.imag = %f\n", c2.imag);
+    p_complex_float_log10(&c2, &c1);
+    ok(c2.real < -FLT_MAX /* c2.real == -inf */, "c2.real = %f\n", c2.real);
+    ok(c2.imag == 0, "c2.imag = %g\n", c2.imag);
 
     c1.real = 3.14159/2;
     c1.imag = 0;
@@ -733,6 +741,9 @@ static void test_complex(void)
     p_complex_float_tanh(&c2, &c1);
     ok(almost_eq(c2.real, 0.917152), "c2.real = %f\n", c2.real);
     ok(c2.imag == 0, "c2.imag = %f\n", c2.imag);
+    p_complex_float_log10(&c2, &c1);
+    ok(almost_eq(c2.real, 0.196120), "c2.real = %f\n", c2.real);
+    ok(c2.imag == 0, "c2.imag = %g\n", c2.imag);
 
     c1.real = 7.12;
     c1.imag = 0.17;
@@ -742,6 +753,9 @@ static void test_complex(void)
     p_complex_float_tanh(&c2, &c1);
     ok(almost_eq(c2.real, 0.999999), "c2.real = %f\n", c2.real);
     ok(almost_eq(c2.imag, 4.3627e-7), "c2.imag = %g\n", c2.imag);
+    p_complex_float_log10(&c2, &c1);
+    ok(almost_eq(c2.real, 0.852604), "c2.real = %f\n", c2.real);
+    ok(almost_eq(c2.imag, 0.0103674), "c2.imag = %g\n", c2.imag);
 
     c1.real = 0.14;
     c1.imag = 0.19;
@@ -751,6 +765,9 @@ static void test_complex(void)
     p_complex_float_tanh(&c2, &c1);
     ok(almost_eq(c2.real, 0.144134), "c2.real = %f\n", c2.real);
     ok(almost_eq(c2.imag, 0.188464), "c2.imag = %f\n", c2.imag);
+    p_complex_float_log10(&c2, &c1);
+    ok(almost_eq(c2.real, -0.627072), "c2.real = %f\n", c2.real);
+    ok(almost_eq(c2.imag, 0.4064), "c2.imag = %g\n", c2.imag);
 }
 
 START_TEST(misc)