diff --git a/polymer/eduke32/build/src/polymost.c b/polymer/eduke32/build/src/polymost.c
index 2e1439c42..dbe58fba2 100644
--- a/polymer/eduke32/build/src/polymost.c
+++ b/polymer/eduke32/build/src/polymost.c
@@ -141,7 +141,7 @@ int32_t r_parallaxskypanning = 0;
 // this was faster in MSVC but slower with GCC... currently unknown on ARM where both
 // the FPU and possibly the optimization path in the compiler need improvement
 #if 0
-static inline int32_t __float_as_int(float f) { return *(int32_t *) &f; }
+static inline int32_t __float_as_int(float f) { return *(int32_t *) &f; }
 static inline float __int_as_float(int32_t d) { return *(float *) &d; }
 static inline float Bfabsf(float f) { return __int_as_float(__float_as_int(f)&0x7fffffff); }
 #else
@@ -4425,8 +4425,10 @@ void polymost_drawsprite(int32_t snum)
                     if (j == tspr->owner)
                         break;
 
+                const int foff_sign = (tspr->z > globalposz) ? -1 : 1;
+
                 {
-                    float const f = ((float) (tspr->z - globalposz) - (i * r_fspr_offset)) * gyxscale;
+                    float const f = ((float) (tspr->z - globalposz) + foff_sign*(i * r_fspr_offset)) * gyxscale;
 
                     for (int j = 0; j < npoints; j++)
                     {
@@ -4439,7 +4441,7 @@ void polymost_drawsprite(int32_t snum)
                 // gd? Copied from floor rendering code
 
                 xtex.d = 0;
-                ytex.d = gxyaspect / (double)(tspr->z - globalposz - (i * r_fspr_offset));
+                ytex.d = gxyaspect / (double)(tspr->z - globalposz + foff_sign*(i * r_fspr_offset));
                 otex.d = -ghoriz * ytex.d;
 
                 // copied&modified from relative alignment