diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 623469901ad..a0c218fbd30 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -2976,6 +2976,7 @@ static void shader_glsl_relop(const struct wined3d_shader_instruction *ins)
         switch (ins->handler_idx)
         {
             case WINED3DSIH_EQ:  op = "equal"; break;
+            case WINED3DSIH_IEQ: op = "equal"; break;
             case WINED3DSIH_GE:  op = "greaterThanEqual"; break;
             case WINED3DSIH_IGE: op = "greaterThanEqual"; break;
             case WINED3DSIH_UGE: op = "greaterThanEqual"; break;
@@ -2995,6 +2996,7 @@ static void shader_glsl_relop(const struct wined3d_shader_instruction *ins)
         switch (ins->handler_idx)
         {
             case WINED3DSIH_EQ:  op = "=="; break;
+            case WINED3DSIH_IEQ: op = "=="; break;
             case WINED3DSIH_GE:  op = ">="; break;
             case WINED3DSIH_IGE: op = ">="; break;
             case WINED3DSIH_UGE: op = ">="; break;
@@ -8001,7 +8003,7 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
     /* WINED3DSIH_FTOU                  */ shader_glsl_to_uint,
     /* WINED3DSIH_GE                    */ shader_glsl_relop,
     /* WINED3DSIH_IADD                  */ shader_glsl_binop,
-    /* WINED3DSIH_IEQ                   */ NULL,
+    /* WINED3DSIH_IEQ                   */ shader_glsl_relop,
     /* WINED3DSIH_IF                    */ shader_glsl_if,
     /* WINED3DSIH_IFC                   */ shader_glsl_ifc,
     /* WINED3DSIH_IGE                   */ shader_glsl_relop,