diff --git a/include/wx/wxcrtbase.h b/include/wx/wxcrtbase.h
index f3a204953b..00e539fe93 100644
--- a/include/wx/wxcrtbase.h
+++ b/include/wx/wxcrtbase.h
@@ -160,9 +160,9 @@
 
 #ifdef __ANDROID__ // these functions are broken on android
 
-extern double android_wcstod(const wchar_t *nptr, wchar_t **endptr);
-extern long android_wcstol(const wchar_t *nptr, wchar_t **endptr, int base);
-extern unsigned long android_wcstoul(const wchar_t *nptr, wchar_t **endptr, int base);
+WXDLLIMPEXP_BASE double android_wcstod(const wchar_t *nptr, wchar_t **endptr);
+WXDLLIMPEXP_BASE long android_wcstol(const wchar_t *nptr, wchar_t **endptr, int base);
+WXDLLIMPEXP_BASE unsigned long android_wcstoul(const wchar_t *nptr, wchar_t **endptr, int base);
 
 #define wxCRT_StrtodW    android_wcstod
 #define wxCRT_StrtolW    android_wcstol
diff --git a/src/common/wxcrt.cpp b/src/common/wxcrt.cpp
index c0511899a6..0ac39ad494 100644
--- a/src/common/wxcrt.cpp
+++ b/src/common/wxcrt.cpp
@@ -1219,21 +1219,21 @@ int wxVsscanf(const wxCStrData& str, const wchar_t *format, va_list ap)
     } \
     return d;
 
-long android_wcstol(const wchar_t *nptr, wchar_t **endptr, int base)
+WXDLLEXPORT long android_wcstol(const wchar_t *nptr, wchar_t **endptr, int base)
 {
     ANDROID_WCSTO_START
     long d = strtol(dst, &dstendp, base);
     ANDROID_WCSTO_END
 }
 
-unsigned long android_wcstoul(const wchar_t *nptr, wchar_t **endptr, int base)
+WXDLLEXPORT unsigned long android_wcstoul(const wchar_t *nptr, wchar_t **endptr, int base)
 {
     ANDROID_WCSTO_START
     unsigned long d = strtoul(dst, &dstendp, base);
     ANDROID_WCSTO_END
 }
 
-double android_wcstod(const wchar_t *nptr, wchar_t **endptr)
+WXDLLEXPORT double android_wcstod(const wchar_t *nptr, wchar_t **endptr)
 {
     ANDROID_WCSTO_START
     double d = strtod(dst, &dstendp);