diff --git a/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec b/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
index 6a9ccaead2a..5d2499b782f 100644
--- a/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
+++ b/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
@@ -224,7 +224,7 @@
 @ stub erfc
 @ stub erfcf
 @ stub erfcl
-@ cdecl erff(double) ucrtbase.erff
+@ cdecl erff(float) ucrtbase.erff
 @ cdecl erfl(double) ucrtbase.erfl
 @ cdecl exp(double) ucrtbase.exp
 @ cdecl exp2(double) ucrtbase.exp2
diff --git a/dlls/msvcr120/msvcr120.spec b/dlls/msvcr120/msvcr120.spec
index 54f6c81cf3e..989a3cb572d 100644
--- a/dlls/msvcr120/msvcr120.spec
+++ b/dlls/msvcr120/msvcr120.spec
@@ -2126,7 +2126,7 @@
 @ stub erfc
 @ stub erfcf
 @ stub erfcl
-@ cdecl erff(double) MSVCR120_erff
+@ cdecl erff(float) MSVCR120_erff
 @ cdecl erfl(double) MSVCR120_erfl
 @ cdecl exit(long) MSVCRT_exit
 @ cdecl exp(double) MSVCRT_exp
diff --git a/dlls/msvcr120_app/msvcr120_app.spec b/dlls/msvcr120_app/msvcr120_app.spec
index 129456f56c2..345bb51a106 100644
--- a/dlls/msvcr120_app/msvcr120_app.spec
+++ b/dlls/msvcr120_app/msvcr120_app.spec
@@ -1792,7 +1792,7 @@
 @ stub erfc
 @ stub erfcf
 @ stub erfcl
-@ cdecl erff(double) msvcr120.erff
+@ cdecl erff(float) msvcr120.erff
 @ cdecl erfl(double) msvcr120.erfl
 @ cdecl exit(long) msvcr120.exit
 @ cdecl exp(double) msvcr120.exp
diff --git a/dlls/ucrtbase/ucrtbase.spec b/dlls/ucrtbase/ucrtbase.spec
index 5a0f957df0c..3e7c79564cc 100644
--- a/dlls/ucrtbase/ucrtbase.spec
+++ b/dlls/ucrtbase/ucrtbase.spec
@@ -2269,7 +2269,7 @@
 @ stub erfc
 @ stub erfcf
 @ stub erfcl
-@ cdecl erff(double) MSVCR120_erff
+@ cdecl erff(float) MSVCR120_erff
 @ cdecl erfl(double) MSVCR120_erfl
 @ cdecl exit(long) MSVCRT_exit
 @ cdecl exp(double) MSVCRT_exp