diff --git a/include/r_local.h b/include/r_local.h
index 83cd00338..34e558c09 100644
--- a/include/r_local.h
+++ b/include/r_local.h
@@ -165,7 +165,7 @@ maliasframedesc_t *R_AliasGetFramedesc (int framenum, aliashdr_t *hdr);
 float R_AliasGetLerpedFrames (entity_t *ent, aliashdr_t *hdr);
 float R_IQMGetLerpedFrames (entity_t *ent, iqm_t *hdr);
 iqmframe_t *R_IQMBlendFrames (const iqm_t *iqm, int frame1, int frame2,
-							  int blend);
+							  float blend, int extra);
 float R_EntityBlend (entity_t *ent, int pose, float interval);
 void R_BeginEdgeFrame (void);
 void R_ScanEdges (void);
diff --git a/libs/video/renderer/glsl/glsl_iqm.c b/libs/video/renderer/glsl/glsl_iqm.c
index 482a3b40b..17302d7aa 100644
--- a/libs/video/renderer/glsl/glsl_iqm.c
+++ b/libs/video/renderer/glsl/glsl_iqm.c
@@ -217,7 +217,7 @@ glsl_R_DrawIQM (void)
 	Mat4Mult (iqm_vp, ent->transform, mvp_mat);
 
 	blend = R_IQMGetLerpedFrames (ent, iqm);
-	frame = R_IQMBlendFrames (iqm, ent->pose1, ent->pose2, blend);
+	frame = R_IQMBlendFrames (iqm, ent->pose1, ent->pose2, blend, 0);
 
 	qfeglUniform3fv (iqm_shader.ambient.location, 1, ambientcolor);
 	for (i = 0; i < MAX_IQM_LIGHTS; i++) {
diff --git a/libs/video/renderer/r_iqm.c b/libs/video/renderer/r_iqm.c
index 854a4581d..74edcd8ca 100644
--- a/libs/video/renderer/r_iqm.c
+++ b/libs/video/renderer/r_iqm.c
@@ -67,12 +67,13 @@ R_IQMGetLerpedFrames (entity_t *ent, iqm_t *iqm)
 }
 
 iqmframe_t *
-R_IQMBlendFrames (const iqm_t *iqm, int frame1, int frame2, int blend)
+R_IQMBlendFrames (const iqm_t *iqm, int frame1, int frame2, float blend,
+				  int extra)
 {
 	iqmframe_t *frame;
 	int         i;
 
-	frame = Hunk_TempAlloc (iqm->num_joints * sizeof (iqmframe_t));
+	frame = Hunk_TempAlloc (iqm->num_joints * sizeof (iqmframe_t) + extra);
 #if 0
 	for (i = 0; i < iqm->num_joints; i++) {
 		iqmframe_t *f1 = &iqm->frames[frame1][i];