diff --git a/src/client/cl_main.c b/src/client/cl_main.c
index f2035ecb..3ab86354 100644
--- a/src/client/cl_main.c
+++ b/src/client/cl_main.c
@@ -639,6 +639,8 @@ CL_WriteConfiguration(void)
 	fprintf(f, "// generated by quake, do not modify\n");
 
 	Key_WriteBindings(f);
+
+	fflush(f);
 	fclose(f);
 
 	Cvar_WriteVariables(path);
diff --git a/src/common/cvar.c b/src/common/cvar.c
index 008d09cd..ceaec0e0 100644
--- a/src/common/cvar.c
+++ b/src/common/cvar.c
@@ -471,6 +471,7 @@ Cvar_WriteVariables(char *path)
 		}
 	}
 
+	fflush(f);
 	fclose(f);
 }